# Building permits at 1655 Walnut St 101, Boulder, CO

One permit on record here. The newest, Apr 17, 2025: Requesting to switch two sump pumps in the parking garage of 1655 walnut on April 23rd 2025. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Apr 17, 2025 | Plumbing | Requesting to switch two sump pumps in the parking garage of 1655 walnut on April 23rd 2025 | $10,000 | [PLB2025-00035](https://nearbypermits.com/boulder/permit/PLB2025-00035/) |

## More on this street

Other addresses on Walnut St with permits, nearest house number first:

- [1634 Walnut St C](https://nearbypermits.com/boulder/address/1634-walnut-st-c/): newest permit Sep 24, 2026
- [1620 Walnut St](https://nearbypermits.com/boulder/address/1620-walnut-st/): newest permit May 13, 2025
- [1603 Walnut St](https://nearbypermits.com/boulder/address/1603-walnut-st/): newest permit Jul 20, 2026
- [1707 Walnut St 106](https://nearbypermits.com/boulder/address/1707-walnut-st-106/): newest permit May 28, 2026
- [1708 Walnut St](https://nearbypermits.com/boulder/address/1708-walnut-st/): newest permit Feb 21, 2025
- [1726 Walnut St](https://nearbypermits.com/boulder/address/1726-walnut-st/): newest permit Oct 17, 2025
- [1734 Walnut St](https://nearbypermits.com/boulder/address/1734-walnut-st/): newest permit Oct 2, 2025
- [1743 Walnut St](https://nearbypermits.com/boulder/address/1743-walnut-st/): newest permit Apr 15, 2025
- [1545 Walnut St](https://nearbypermits.com/boulder/address/1545-walnut-st/): newest permit Jun 9, 2025
- [1802 Walnut St](https://nearbypermits.com/boulder/address/1802-walnut-st/): newest permit Oct 24, 2024

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 05:51 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/1655-walnut-st-101/